Publications of Joao Gomes

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Journals

P. Oguz-Ekim, J. Gomes, J. Xavier, P. Oliveira, "Robust localization of nodes and time-recursive tracking in sensor networks using noisy range measurements ", IEEE Transactions on Signal Processing, vol. 59, no. 8, pp. 3930-3942, August 2011.

J. Gomes, A. Silva, S. Jesus, "Adaptive spatial combining for passive time-reversed communications", Journal of the Acoustical Society of America, vol. 124, no. 2, pp. 1038-1053, August 2008.

J. Gomes, V. Barroso, "Array-based QR-RLS multichannel lattice filtering", IEEE Transactions on Signal Processing, vol. 56, no. 2, pt. 1, pp. 3510-3522, August 2008.

J. Gomes, A. Silva, S. Jesus, "Experimental assessment of time-reversed OFDM underwater communications (A)", Journal of the Acoustical Society of America, vol. 123, no. 5, pp. 3891, May 2008.

J. Gomes, V. Barroso, G. Ayela, and P. Coince, "The ASIMOV acoustic communication system," Sea Technology, vol. 42, no. 5, pp. 47-50, May 2001.

J. Gomes and V. Barroso, "A super-exponential algorithm for blind fractionally-spaced equalization," IEEE Signal Processing Letters, vol. 3, no. 10, pp. 283-285, October 1996.

Conference proceedings

E. Zamanizadeh, J. Gomes, and J. Bioucas-Dias, "Source localization from time-differences of arrival using high-frequency communication signals", Proceedings of MTS/IEEE OCEANS´11, Kona - Hawaii, USA, September 2011.

A. Silva, S. Jesus, J. Gomes, "Probe timing optimization for time-reversal underwater communications", Proceedings of MTS/IEEE OCEANS´11, Santander, Spain, June 2011.

C. R. Berger, J. Gomes, and J. M. F. Moura "Sea-trial results for cyclic-prefix OFDM with long symbol duration", Proceedings of MTS/IEEE OCEANS´11, Santander, Spain, June 2011.

C. R. Berger, J. Gomes, and J. M. F. Moura "Study of pilot designs for cyclic-prefix OFDM on time-varying and sparse underwater acoustic channels", Proceedings of MTS/IEEE OCEANS´11, Santander, Spain, June 2011.

J. Gomes, C. R. Berger, and A. Silva "Demodulation of underwater OFDM transmissions by time reversal and basis pursuit methods", (invited) Proceedings of the 17th European Wireless Conference (EW'11), Vienna, Austria, April 2011.

E. Zamanizadeh, J. Gomes, and J. Bioucas-Dias, "Identification and matching of sparse delay-Doppler spread functions from high-frequency communications signals", Proceedings of MTS/IEEE OCEANS´10, Seattle, USA, September 2010.

E. Zamanizadeh, J. Gomes, and J. Bioucas-Dias, "Identification of sparse time-varying underwater channels through basis pursuit methods", Proceedings of the 10th European Conference on Underwater Acoustics (ECUA'10), Istanbul, Turkey, July 2010.

O. Rodríguez, A. Silva, J. Gomes, S. Jesus, "Modeling arrival scattering due to surface roughness", Proceedings of the 10th European Conference on Underwater Acoustics (ECUA'10), Istanbul, Turkey, July 2010.

P. Oguz-Ekim, J. Gomes, J. Xavier, P. Oliveira, "A convex relaxation for approximate maximum-likelihood 2D source localization from range measurements", Proceedings of the IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP'10), Dallas, USA, March 2010.

J. Gomes, M. Stojanovic, "Performance analysis of filtered multitone modulation systems for underwater communication", Proceedings of MTS/IEEE OCEANS´09, Biloxi, USA, October 2009.

P. Oguz-Ekim, J. Gomes, J. Xavier, P. Oliveira, "ML-based sensor network localization and tracking: Batch and time-recursive approaches", Proceedings of EUSIPCO´09, Glasgow, Scotland, August 2009.

J. Gomes, A. Silva, S. Jesus, "OFDM Demodulation in Underwater Time-Reversed Shortened Channels", Proceedings of MTS/IEEE OCEANS´08, Quebec City, Canada, September 2008.

N. Monteiro, J. Gomes, J. Xavier, "Detection of statistical periodicities in DNA by conflict and entropy minimization methods", Proceedings of EUSIPCO´08, Lausanne, Switzerland, August 2008.

J. Gomes, A. Silva, S. Jesus, "Experimental assessment of time-reversed OFDM underwater communications", Proceedings of ACOUSTICS´08, Paris, France, July 2008.

J. Gomes, A. Silva, S. Jesus, "Performance analysis of multichannel lattice equalization in coherent underwater communications", Proceedings of MTS/IEEE OCEANS'07, Vancouver, Canada, September 2007.

A. Silva, S. Jesus, J. Gomes, "Environmental equalizer for underwater communications", Proceedings of MTS/IEEE OCEANS'07, Vancouver, Canada, September 2007.

J. Gomes, V. Barroso, "A CORDIC-based QR-RLS multichannel lattice filter", Proceedings of the 15th European Signal Processing Conference (EUSIPCO'07), pp. 1043-1047, Poznan, Poland, September 2007.

A. Silva, S. Jesus, J. Gomes, "Acoustic array depth and range shift compensation by using waveguide invariant properties", Proceedings of the 2nd International Conference on Underwater Acoustic Measurements (UAM'07), Heraklion, Greece, June 2007.

A. Silva, S. Jesus, J. Gomes, "Passive Time Reversal Probe-Signal Capture Optimization for Underwater Communications", Proceedings of the 2nd International Conference on Underwater Acoustic Measurements (UAM'07), Heraklion, Greece, June 2007.

J. Gomes, A. Silva, S. Jesus, "Joint passive time reversal and multichannel equalization for underwater communications," Proceedings of MTS/IEEE OCEANS'06, Boston, USA, September 2006.

J. Gomes and V. Barroso, "Directivity analysis of time-reversal arrays in a simple ocean waveguide," Proceedings of the 14th European Signal Processing Conference (EUSIPCO'06), Florence, Italy, September 2006.

J. Gomes and V. Barroso, "Time-reversed OFDM communication in underwater channels," in Proceedings of the 5th IEEE Workshop on Signal Processing Advances in Wireless Communications (SPAWC'04), Lisboa, Portugal, July 2004.

J. Gomes and V. Barroso, "MIMO decision-feedback equalization with direct channel estimation," in Proceedings of the 5th IEEE Workshop on Signal Processing Advances in Wireless Communications (SPAWC'04), Lisboa, Portugal, July 2004.

J. Gomes and V. Barroso, "QR-RLS adaptation of modular multichannel lattice filters," in Proceedings of the 4th Conference on Telecommunications (ConfTele'03), Aveiro, Portugal, June 2003

J. Gomes and V. Barroso, "Doppler compensation in underwater channels using time reversal arrays," in Proceedings of the IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP'03), Hong Kong, China, April 2003.

J. Gomes and V. Barroso, "Time-reversed communication over Doppler-spread underwater channels," in Proceedings of the IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP'02), vol. 3, pp. 2849-2852, Orlando, Florida, May 2002.

J. Gomes and V. Barroso, "Equalization and coding for coherent communication in the ASIMOV vertical link," in Proceedings of MTS/IEEE OCEANS'01, vol. 4, pp. 2170-2176, Honolulu, Hawaii, November 2001.

J. Gomes and V. Barroso, "Wavefront segmentation in phase-conjugate arrays for spatially modulated acoustic communication," in Proceedings of MTS/IEEE OCEANS' 01, vol. 4, pp. 2236-2243, Honolulu, Hawaii, November 2001.

A. Pascoal, P. Oliveira, C. Silvestre, L. Sebastião, M. Rufino, V. Barroso, J. Gomes, G. Ayéla, P. Coince, M. Cardew, A. Ryan, H. Braithwaite, N. Cardew, J. Trepte, N. Seube, J. Champeau, P. Dhaussy, V. Sauce, R. Moitié, R. Santos, F. Cardigos, M. Brussieux, and P. Dando, "Robotic ocean vehicles for marine science applications: The European ASIMOV project," in Proceedings of MTS/IEEE OCEANS'00, vol. 1, pp. 409-415, Providence, RI, September 2000.

J. Gomes and V. Barroso, "Asymmetric underwater acoustic communication using a time-reversal mirror," in Proceedings of MTS/IEEE OCEANS'00, vol. 3, pp. 1847-1851, Providence, RI, September 2000.

J. Gomes and V. Barroso, "Acoustic channel equalization results for the ASIMOV high-speed coherent data link," in Proceedings of MTS/IEEE OCEANS'00, vol. 2, pp. 1437-1442, Providence, RI, September 2000.

J. Gomes, V. Barroso, G. Ayela, and P. Coince, "An overview of the ASIMOV acoustic communication system," in Proceedings of MTS/IEEE OCEANS'00, vol. 3, pp. 1633-1637, Providence, RI, September 2000.

A. Pascoal, P. Oliveira, C. Silvestre, L. Sebastião, M. Rufino, V. Barroso, J. Gomes, G. Ayéla, P. Coince, M. Cardew, A. Ryan, H. Braithwaite, N. Cardew, J. Trepte, N. Seube, J. Champeau, P. Dhaussy, V. Sauce, R. Moitié, R. Santos, F. Cardigos, M. Brussieux, and P. Dando, "Advanced system integration for managing the coordinated operation of robotic ocean vehicles (ASIMOV)," in Proceedings of EurOCEANS'2000, Brussels, June 2000.

J. Gomes and V. Barroso, "The performance of sparse time-reversal mirrors in the context of underwater communications," in Proceedings of the 10th IEEE Workshop on Statistical Signal and Array Processing (WSSAP'00), pp. 727-731, Pocono, PA, August 2000.

A. Silva, S. Jesus, J. Gomes, and V. Barroso, "Underwater acoustic communication using a ´virtual´ electronic time-reversal mirror approach," in Proceedings of the V European Conference on Underwater Acoustics (ECUA'00), Lyon, France, June 2000.

J. Gomes and V. Barroso, "Ray-based analysis of a time-reversal mirror for underwater acoustic communication," in Proceedings of the IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP'00), Istanbul, Turkey, June 2000.

J. Gomes and V. Barroso, "Using phase conjugation for underwater acoustic communication: Design guidelines," in Proceedings of the X European Signal Processing Conference (EUSIPCO'00), Tampere, Finland, September 2000.

J. Gomes and V. Barroso, "A matched field processing approach to underwater acoustic communication," in Proceedings of OCEANS'99, vol. 2, pp. 991-995, Seattle, USA, September 1999.

J. Gomes and V. Barroso, "Multichannel lattice filtering based on parallel scalar modules," in 2 Conferência Nacional de Telecomunicações (ConfTele'99), pp. 151-155, Sesimbra, Portugal, April 1999.

J. Gomes and V. Barroso, "Performance analysis of a recursive fractional superexponential algorithm," in Proceedings of the IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP'99), vol. 5, pp. 2483-2486, Phoenix, USA, March 1999.

J. Gomes and V. Barroso, "Blind decision-feedback equalization of underwater acoustic channels," in Proceedings of OCEANS'98, vol. 2, pp. 810-814, Nice, France, September 1998.

J. Gomes and V. Barroso, "A multichannel lattice algorithm for real-time blind equalization," in V International Conference on Electronics, Circuits and Systems (ICECS'98), vol. 1, pp. 445-448, Lisbon, Portugal, September 1998.

J. Gomes and V. Barroso, "Equalização cega de canal com o algoritmo sobre-exponencial fraccionário," in Actas da I Conferência Nacional de Telecomunicações, pp. 337-340, Aveiro, Portugal, April 1997.

J. Gomes and V. Barroso, "Using an RBF network for blind equalization: Design and performance evaluation," in Proceedings of the IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP'97), vol. 4, pp. 3285-3288, Munich, Germany, April 1997.

J. Gomes and V. Barroso, "Source independent blind equalization with fractionallyspaced sampling," in Proceedings of the VIII European Signal Processing Conference (EUSIPCO'96), Trieste, Italy, September 1996.

J. Gomes and V. Barroso, "Unsupervised learning using a neural network data receiver," in Proceedings of the IEEE International Conference on Neural Networks (ICNN'95), vol. 1, pp. 502-506, Perth, Australia, November 1995.

J. Gomes and V. Barroso, "Blind equalization using a radial basis function neural network," in Proceedings of OCEANS'95 MTS/IEEE, vol. 2, pp. 797-802, San Diego, CA, USA, October 1995.

V. Barroso, J. Gomes, G. Ayela, and M. Nicot, "Shallow water communications system for an AUV," in Proceedings of OCEANS'94, vol. 1, pp. I-608-I-613, Brest, France, September 1994.

M. J. Rendas, V. Barroso, and J. Gomes, "Space/time methods for beamforming in mobile communications," in Proceedings of the RACE Mobile Telecommunications Workshop, Amsterdam, The Netherlands, May 1994.

J. P. Gomes, V. Barroso, M. J. Rendas, and J. Gomes, "Impact of array processing techniques on the design of mobile communication systems," in Proceedings of the Mediterranean Electrotechnical Conference (MELECON'94), vol. 3, pp. 1291-1294, Antalya, Turkey, April 1994.

V. Barroso, P. Geada, and J. Gomes, "Real time DSP based underwater communications," in Proceedings of the International Conference on Signal Processing Applications and Technology (ICSPAT'93), vol. 2, Santa Clara, CA, USA, September 1993.

Reports

J. Gomes and V. Barroso, "SDR underwater acoustic modem," Instituto de Sistemas e Robótica - Instituto Superior Técnico, Tech. Rep., April 2005.

J. Gomes and V. Barroso, "The ASIMOV high-speed link," Instituto de Sistemas e Robótica - Instituto Superior Técnico, Tech. Rep., April 2005.

Theses

J. Gomes, "Array processing methods for time-reversed underwater communication systems," Ph.D. dissertation, Instituto Superior Técnico, July 2002.

J. Gomes, "Equalização cega de canais digitais: Impacto da amostragem fraccionária e desempenho de um algoritmo não linear usando funções de base radiais (Blind equalization of digital channels: Impact of fractional sampling and performance analysis of a nonlinear algorithm using radial basis function neural networks)," Master's thesis, Instituto Superior Técnico, July 1996.